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Grade: 12
        
how many double circulations are completed by heart in 1min
 
5 months ago

Answers : (1)

DEBAPRIYA MONDAL
19 Points
							Average 72 ...as heart cycle is a duration of  0.8 sec...so in one minute 60/0.8=72 .in every cycle there is double circulation ..as Blood goes to lungs is a circulation and to other body parts is another circulation
						
5 months ago
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